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In the present research work the degradation of acid yellow 17 (AY 17) by H 2 O 2 /Fe 2+  was investigated. The effect of various conditions such as pH value, temperature, conc. of H 2 O 2 , Fe 2+ , conc. of AY 17 were studied. Additionally the scavenging effects of various anions such as Cl − , SO 4  2− , CO 3  2−  and HCO 3  − , on percent degradation of AY 17 were examined. It was found that these anions decrease percent degradation as well as rate of degradation reaction. The optimum conditions were determined as [AY 17]=[Fe 2+ ]=0.06 mM [H 2 O 2 ]=0.9 mM, and pH 3.0 for 60 min of reaction time. It was found that at optimum conditions 89% degradation of AY17 was achieved. The degradation kinetics of AY17 followed pseudo-first-order reaction kinetics. Thermodynamic studies under natural conditions showed positive value of ∆H (enthalpy) which indicates the degradation process is endothermic.

Removal of Acid Yellow 17 Dye by Fenton Oxidation Process